Earlier today, the honchos at ABC announced that Diane Sawyer will interview former Rep. Gabrielle Giffords and husband Mark Kelly on Tuesday, Jan. 8 during World News. The interview will help mark the two-year anniversary since gunman Jared Loughner opened fire in the parking lot of a Tucson supermarket, shooting and… »1/06/13 5:00pm 1/06/13 5:00pm